FILE - In this undated file photo released by Conservation International, a Tonkin snub-nosed monkey sits on the ground at an unknown location. Twenty-five species of monkeys, langurs, lemurs and gorillas are on the brink of extinction and need global action to protect them from increasing deforestation and illegal trafficking, researchers said Monday, Oct. 15, 2012. (AP Photo/Conservation International, Tilo Nadler, File) EDITORIAL USE ONLY
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